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1、专题06阅读理解IV词义猜测题词义猜测题--讲•练•测---测案时间:45分钟满分:50I.阅读理解(词义猜测题)A【山东省潍坊市2021届高三3月高考模拟】Anewstudy,publishedthisweekinthejournalFrontiersinVeterinaryScience,revealsthatnon-humananimals'tearsarenotsodifferentfromourown.Thechemicalsimilaritiesaresogreat,infact,thatthecompositionofothersp
2、ecies'tears—andhowthey'readaptedtotheirenvironments-mayprovideinsightsintobettertreatmentsforhumaneyedisease.Previously,scientistshadstudiedcloselyonlythetearsofahandfulofmammals,includinghumans,dogs,horses,camels,andmonkeys.Inthenewstudy,Brazilianveterinariansanalyzedthetear
3、sofreptilesandbirdsforthefirsttime,focusingonsevenspecies.Tears,whicharereleasedfromteartubes,formafilmovertheeyethat'scomposedofthreeingredients:mucus,waler,andoil.Themucuscoatstheeyessurfaceandhelpstoattachthefilmtotheeye,thewaterisanaturalsaltysolutioncontainingcrucialprot
4、einsandminerals,andtheoilpreventstheeyefromdryingout.Humansaretheonlyknownspeciestoproduceemotionaltears;theexpression"crocodiletears,"whichreferstoaperson'sphonydisplayofemotion,comesfromthemysterioustendencyofcrocodilestoreleasetearsastheyeat.Buttearsplaykeyrolesbeyondweepi
5、ng,notesLionelSebbagatIowaStateUniversity,whowasnotinvolvedinthenewresearch.Theyhelpwithvisionbylubricatingandclearingtheeye.Theyalsoprotecttheeyeagainstinfectionandprovidenutritiontothecornea,theeye'sclearouterlayer,whichlacksbloodtubes,hesays.Learninghowreptilesandbirds'use
6、tearsmayalsoinspirenewmedicationsforconditionssuchasdryeye,whichoccurswhenteartubesdon'tproduceenoughoil.Thedisease,commonincats,dogs,andpeople,cansometimesleadtoblindness.1.Whatisparagraph3mainlyabout?7/7A.Thesourceoftears.B.Thecompositionoftears.C.Theclassificationoftears,D
7、.Thedefinitionoftears.2.Whatdoestheunderlinedword"phony”inparagraph4mean?A.Tricky.B.Regretful.C.Cold.D.False.3.WhichstatementdoesLionelSebbagagreewith?A.Weepingcontributestoeyedisease.B.Thecorneahasrichbloodtubes.C.Tearsoilandcleartheeyes.D.Moretearsmeanbettervision.4.Whatmig
8、htbethebesttitleforthetext?A.Tears,abarriertoeyesB.Abettertreatmentf